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Contract OI history

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Dec 18, 2026 EXPIRATION

APAM $40.00 Put

APAM261218P00040000

Latest saved OI160Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
APAM $40.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 169840 2026-10-02: 169 OI2026-10-05: 167 OI2026-10-06: 167 OI2026-10-07: 167 OI2026-10-08: 167 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-16: 160 OI2026-10-20: 160 OI2026-10-23: 160 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

APAM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1600
Oct 20, 20261600
Oct 16, 2026160-7
Oct 14, 20261670
Oct 13, 20261670
Oct 08, 20261670
Oct 07, 20261670
Oct 06, 20261670
Oct 05, 2026167-2
Oct 02, 2026169No prior observation